The meter's low flow indicator keeps turning with everything shut off
That little triangle or dial moving with no fixture running proves water is escaping somewhere on the supply side.
Source of the water
78221
Leak Detection in San Antonio, TX 78221
Our team uses moisture readings and targeted inspection to locate hidden leaks and define how far the water has spread.
- 24/7 emergency call access
- Residential and commercial service
- Water removal, cleanup, and drying
- One team from assessment through drying
Signs to look for
When to call us for leak detection
If you notice any of these problems, call us before water has more time to spread into nearby materials.
Your utility sent a high usage or continuous flow alert
Smart meters flag flow that never drops to zero across a whole day. Those alerts frequently arrive before any water is visible inside the building.
You can hear a hiss or a rush in one wall
Pressurized water escaping through a small opening makes a steady high frequency sound. It is one of the most locatable symptoms there is.
A strip of lawn is greener or soggier than the rest during dry weather
An underground service line leak waters the ground above it long before it surfaces. Follow the line from the meter toward the house and look for the anomaly.
The pool loses more than about a quarter inch a day
Evaporation accounts for roughly a quarter inch daily in most conditions. Consistently more than that, especially with the pump off, points to the shell or the pool plumbing.
An irrigation zone stays wet after the system shuts down
A cracked lateral or a valve that will not seat keeps feeding one zone continuously. Irrigation leaks are among the largest and least noticed water losses.
What happens
How we handle leak detection
Our team adjusts the work to what got wet, how far the water traveled, and which materials can be saved.
A symptom interview that narrows the system first
Supply, drain, irrigation, pool and hydronic heating all leak differently and are found with different methods. Ten minutes of questions eliminates most of them before a tool comes out.
Meter observation and valve by valve isolation
We watch the water meter while closing isolation valves one at a time, section by section. When the flow stops, the leak is inside the section we just closed.
A static pressure test on the supply system
The main is closed and a pressure gauge is fitted at a hose bib or a laundry connection.
Hot side and cold side separated
Isolating at the hot water outlet splits the system in half. Knowing which half leaks halves the search area before any listening starts.
Acoustic listening at ground and wall surfaces
An acoustic listening device and a ground microphone amplify the sound of water escaping under pressure.
Leak noise correlation on long buried runs
A leak noise correlator places sensors at two access points and calculates the leak position from the tiny difference in arrival times.
Talk with our team
Water problem in San Antonio, TX 78221?
Tell us what happened, where the water came from, and what is wet.
What to expect
What to expect from our team
Here is how we usually handle leak detection near San Antonio, TX 78221.
-
1
You tell us the symptom and what has been ruled out
Meter movement, a wet spot, a sound, a bill, or a failed pressure test all start the search in different places.
Your call -
2
One check you can make before we arrive
Close every fixture, then look at the water meter and note whether the low flow indicator moves. Tell us the answer when we get there, because it aims the whole visit.
+10 minutes -
3
The system is identified before any tool comes out
We confirm whether this is supply, drain, irrigation, pool or heating. Detection methods are system specific, and starting on the wrong one wastes an hour.
On arrival -
4
Isolation, valve by valve
Sections are closed one at a time while the meter is watched. Each closure that stops the flow shrinks the search area, often by more than half.
First 20 minutes -
5
Static pressure test to confirm and size the loss
A gauge on a closed system tells us whether pressure holds, and how fast it falls if it does not.
Next 20 minutes -
6
Line tracing, then the acoustic sweep
We map where the pipe runs, then listen along it with a ground microphone or a wall probe.
Mid visit -
7
Correlation or tracer gas if the sound is not enough
Long buried runs get a leak noise correlator, and quiet or plastic lines get tracer gas. Plastic pipe and low pressure lines are exactly where acoustics run out.
As needed
Understanding the cost
What can affect the price
We explain the recommended work and price before you approve the job. These examples show what may change the estimate.
| Common situation | What the estimate may include | Typical range |
|---|---|---|
| Standard leak detection visit, accessible plumbing, one system | National estimate for isolation, pressure testing and an acoustic sweep with a marked location. | $150 to $400 |
| Slab leak location using acoustic listening with thermal screening | National estimate. The common band for locating a leak under a slab on grade. | $250 to $600 |
| Underground water service line leak location between the meter and the house | National estimate including line tracing and correlation on a buried run. | $300 to $800 |
| Tracer gas testing where acoustic methods cannot isolate the line | National estimate. Used on plastic pipe, low pressure lines and noisy sites. | $350 to $900 |
| Pool or irrigation line leak location | National estimate. Pressure testing each line and zone, then locating the failed section. | $300 to $700 |
| Written detection report with photographs for a carrier or a builder | National estimate added to the detection fee when formal documentation is required. | $100 to $300 |
| After hours or emergency detection dispatch | National estimate for nights, weekends and holidays, billed once rather than per hour. | $100 to $400 nationally |
Which system is leaking
A supply line under pressure is the most locatable. Drains, irrigation and pool plumbing each need different equipment and take longer.Whether the pipe route is known
If nobody knows where the line runs, tracing has to happen before listening can start. On older properties that is frequently half the visit.Slab, wall, crawl space or underground
An accessible wall or crawl space is quick. A line under a slab or four feet down in a yard needs correlation, tracer gas or both.Pipe material and depth
Metal pipe carries leak sound well and is easier to hear. Plastic pipe deadens the noise, which is exactly when tracer gas earns its cost.Background noise conditions
Traffic, machinery, wind and a busy building all mask the sound of a leak. Some locations genuinely have to be worked at a quieter hour.Access and what has to be moved
Furniture, stored goods, landscaping and finished surfaces all slow the sweep down. Access is labor, and labor is most of this invoice.
Why timing matters
What can happen when the area stays wet
Water can keep moving into nearby materials even when the surface looks dry.
Exploratory demolition costs more than detection
Two or three wrong holes in tile, drywall and flooring exceed a detection fee quickly, and the repairs are visible afterward.
A repair aimed at a guess leaves the leak running
Replacing the section somebody suspected is how a stain returns three weeks later. The second visit costs more than getting it right once.
Every day is billed water and saturated ground
A pressurized leak runs continuously, unlike a drip that only leaks when a fixture is used. Underground, that water is also washing fines out of the soil around it.
Soil washout undermines slabs and footings
A leak under or near a foundation moves soil as well as water. Voids that form there are far more expensive to correct than the pipe ever was.
Helpful service information
What to know about leak detection
Start with the short explanation. Open a card if you want a little more detail.
What is happening inside the property
The first move is deciding which system is losing water: pressurized supply, gravity drain, irrigation, pool plumbing or a heating loop.
Read the explanation
Leak detection is a process of elimination, and the tools come last. The first move is deciding which system is losing water: pressurized supply, gravity drain, irrigation, pool plumbing or a heating loop.
How the next step is decided
A ground microphone on concrete or soil, or a probe against a wall, amplifies it while filtering traffic and machinery out.
Read the explanation
Acoustics work because pressurized water forced through a small opening makes a steady, characteristic sound. A ground microphone on concrete or soil, or a probe against a wall, amplifies it while filtering traffic and machinery out.
What may change the work
The line is drained and charged with a hydrogen and nitrogen mix, safe and non toxic at the concentrations used.
Read the explanation
When nothing can be heard, tracer gas takes over. The line is drained and charged with a hydrogen and nitrogen mix, safe and non toxic at the concentrations used.
Help near you
Leak Detection near San Antonio, TX 78221
Choose your area below, or call (844) 378-1877 and describe what happened.
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Common questions
Questions about leak detection
What is leak detection?
It is the service of locating the source of an escaping water leak without demolishing the building to find it.
How is leak detection different from moisture mapping?
They answer opposite questions. Detection finds where the water is coming from so it can be repaired. Moisture mapping measures how far the water has already spread so the right materials get dried.
Can you find a leak without breaking anything?
That is the entire point of the service. Acoustic listening, correlation, line tracing and tracer gas all work from the surface.
How accurate is leak detection?
On a pressurized metal line in reasonable conditions we are often within a foot. Plastic pipe, deep burial and heavy background noise widen that.
Do you repair the leak too?
No. We locate, mark and document, and your plumber makes the repair. Keeping those roles separate is what keeps the location honest, because we have nothing to gain from finding it in an expensive place.
How does acoustic leak detection work?
Water escaping a pressurized pipe creates a steady sound as it forces through a small opening. A ground microphone or a wall probe amplifies that sound and filters out background noise.
What is tracer gas leak detection and is it safe?
The line is drained and filled with a hydrogen and nitrogen mix, which is a safe, non toxic blend at the dilution used.
Talk with our team
Water problem in San Antonio, TX 78221?
Tell us what happened, where the water came from, and what is wet.
Areas we serve
Water-damage help near San Antonio, TX 78221
Our team serves homes, businesses, and managed properties in San Antonio, TX 78221 and surrounding communities.
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